Zusammenfassung der Ressource
Frage 1
Frage
A uniform metre rule is pivoted at the 34.0 cm mark, as shown.
The rule balances when a 64g mass is hung from the 4.0 cm mark.
What is the mass of the metre rule?
Antworten
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A 38g
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B 44g
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C 120g
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D 136g
Frage 2
Frage
A man holds a 100N load stationary in his hand. The combined weight of the forearm and hand is
20N. The forearm is held horizontal, as shown.
What is the vertical force F needed in the biceps?
Antworten
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A 750N
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B 800N
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C 850N
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D 900N
Frage 3
Frage
The diagram shows four forces applied to a circular object.
Which of the following describes the resultant force and resultant torque on the object?